Do these:

1. Read Bernoulli's Principle. Show how it works.
2. Read Pascal's Law. Tell about some inventions that use Pascal's law. 
3. Read Newton's first law of motion. Show in three different ways how inertia works.

plus six of these:

4. Show the effects of atmospheric pressure.
5. Show the effects of air pressure.
6. Show the effects of water pressure. This may be combined with atmospheric pressure or with air pressure.
7. Build and launch a model rocket with adult supervision. (NOTE: You must be at least 10 years old to work with a model rocket kit sold in hobby stores.)
8. Explain what causes fog. Show how this works.
9. Explain how crystals are formed. Make some.
10. Explain how you use your center of gravity to keep your balance. Show three different balancing tricks.
11. Show in three different ways how your eyes work together.
12. Show what is meant by an optical illusion.

Cub Scouts

Pack 419

Duluth, Ga.

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